1 files changed, 56 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/gr_pagesize.cc b/gnuradio-runtime/lib/gr_pagesize.cc
new file mode 100644
index 0000000000..e31e05ca70
--- /dev/null
+++ b/gnuradio-runtime/lib/gr_pagesize.cc
@@ -0,0 +1,56 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gr_pagesize.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#if defined(_WIN32) && defined(HAVE_GETPAGESIZE)
+extern "C" size_t getpagesize(void);
+#endif
+
+int
+gr_pagesize ()
+{
+  static int s_pagesize = -1;
+
+  if (s_pagesize == -1){
+#if defined(HAVE_GETPAGESIZE)
+    s_pagesize = getpagesize ();
+#elif defined (HAVE_SYSCONF)
+    s_pagesize = sysconf (_SC_PAGESIZE);
+    if (s_pagesize == -1){
+      perror ("_SC_PAGESIZE");
+      s_pagesize = 4096;
+    }
+#else
+    fprintf (stderr, "gr_pagesize: no info; setting pagesize = 4096\n");
+    s_pagesize = 4096;
+#endif
+  }
+  return s_pagesize;
+}
+